Totz 18+ months. Use pea-sized amount of toothpaste on a RADIUS Totz Toothbrush. Brush teeth gently on all sides twice daily, angling bristles towards gum-line. Brush tongue to dislodge bacteria. Replace when bristles start to look worn or spread. Tips: Supervise until the age of 6. Try singing songs or play a game. Don't forget to floss!